[英]Objc to swift bridge `use of undeclared identifier 'cocoarr'`
I'm combining Swift and Objective-C in the same project. 我在同一个项目中结合了Swift和Objective-C。 I am trying to use STTwitter cocoapod like this: 我试图像这样使用STTwitter cocoapod:
// objective-c
// STTwitter category method
//
- (void)getStatusesLookupTweetIDs:(NSArray *)tweetIDs
successBlock:(void (^)(NSArray *))successBlock
errorBlock:(void (^)(NSError *))errorBlock {
[self getStatusesLookupTweetIDs:tweetIDs
includeEntities:@(YES)
trimUser:@(YES)
map:@(YES)
successBlock:successBlock
errorBlock:errorBlock];
}
Swift Code SWIFT代码
// swift
twitterApi.getStatusesLookupTweetIDs(ids, successBlock: { (tweets: [AnyObject]!) -> Void in
process(tweets)
finish()
}, errorBlock: { (err) -> Void in
error(err)
})
Everything looks fine in Obj-C (I tried not investigate variable passed to successBlock
, they all have valid values). Obj-C中的一切看起来都很好(我试过不调查传递给successBlock
变量,它们都有有效的值)。 But in Swift, when successBlock
gets executed, tweets
was: 但是在Swift中,当successBlock
被执行时, tweets
是:
Printing description of tweets:
([AnyObject]!) tweets = 1 value {
[0] = <error: use of undeclared identifier 'cocoarr'
error: 1 errors parsing expression
>
}
How do I fix this and pass NSArray
into Swift? 我如何解决这个问题并将NSArray
传递给Swift? (No compile error) (没有编译错误)
That worked for me. 这对我有用。
Instead of using: 而不是使用:
[AnyObject]
try to use: 尝试使用:
[Dictionary<String, AnyObject>] (or whatever class is inside the array)
Try to specify the type of the array instead AnyObject. 尝试指定数组的类型而不是AnyObject。
I hope it helps. 我希望它有所帮助。
Cheers. 干杯。
Try [[String:AnyObject]]
rather than [AnyObject]
尝试[[String:AnyObject]]
而不是[AnyObject]
I got the same error in a smilar functionality. 我在smilar功能中遇到了同样的错误。 When changing from: 更改时:
if let dictOrList = NSJSONSerialization.JSONObjectWithData(data, options:nil, error: &err) as? NSDictionary {
callbackList = [dictOrList]
} else if let list = NSJSONSerialization.JSONObjectWithData(data, options:nil, error: &err) as? [AnyObject] {
callbackList = list
}
to 至
if let dictOrList = NSJSONSerialization.JSONObjectWithData(data, options:nil, error: &err) as? [String: AnyObject] {
callbackList = [dictOrList]
} else if let list = NSJSONSerialization.JSONObjectWithData(data, options:nil, error: &err) as? [[String:AnyObject]] {
callbackList = list
}
I got it working. 我搞定了。
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